- Table E-1 to Subpart E of Part 53—Summary of Test Requirements for Reference and Class I Equivalent Methods for PM 2.5 and PM 10-2.5
| Subpart E procedure | Performance test | Performance specification | Test conditions | Part 50,
appendix L reference | § 53.52 Sample leak check test | Sampler leak check facility | External leakage: 80 mL/min, max
Internal leakage: 80 mL/min, max | Controlled leak flow rate of 80 mL/min | Sec. 7.4.6. | § 53.53 Base flow rate test | Sample flow rate
1. Mean 2. Regulation 3. Meas accuracy 4. CV accuracy 5. Cut-off | 1. 16.67 ±5%, L/min
2. 2%, max 3. 2%, max 4. 0.3% max 5. Flow rate cut-off if flow rate deviates more than 10% from design flow rate for >60 ±30 seconds | (a) 6-hour normal operational test plus flow rate cut-off test
(b) Normal conditions (c) Additional 55 mm Hg pressure drop to simulate loaded filter (d) Variable flow restriction used for cut-off test | Sec. 7.4.1.
Sec. 7.4.2. Sec. 7.4.3. Sec. 7.4.4. Sec. 7.4.5. | § 53.54 Power interruption test | Sample flow rate
1. Mean 2. Regulation 3. Meas. accuracy 4. CV accuracy 5. Occurrence time of power interruptions 6. Elapsed sample time 7. Sample volume | 1. 16.67 ±5%, L/min
2. 2%, max 3. 2%, max 4. 0.3% max 5. ±2 min if >60 seconds. 6. ±20 seconds 7. ±2%, max | (a) 6-hour normal operational test
(b) Nominal conditions (c) Additional 55 mm Hg pressure drop to simulate loaded filter (d) 6 power interruptions of various durations | Sec. 7.4.1.
Sec. 7.4.2. Sec. 7.4.3. Sec. 7.4.5. Sec. 7.4.12. Sec. 7.4.13. Sec. 7.4.15.4. Sec. 7.4.15.5. | § 53.55 Temperature and line voltage test | Sample flow rate
1. Mean 2. Regulation 3. Meas. accuracy 4. CV accuracy 5. Temperature meas. accuracy 6. Proper operation. | 1. 16.67 ±5%, L/min
2. 2%, max 3. 2%, max 4. 0.3% max 5. 2 °C | (a) 6-hour normal operational test
(b) Normal conditions (c) Additional 55 mm Hg pressure drop to simulate loaded filter (d) Ambient temperature at −20 and + 40 °C (e) Line voltage: 105 Vac to 125 Vac | Sec. 7.4.1.
Sec. 7.4.2. Sec. 7.4.3. Sec. 7.4.5. Sec. 7.4.8. Sec. 7.4.15.1. | § 53.56 Barometric pressure effect test | Sample flow rate
1. Mean 2. Regulation 3. Meas. accuracy 4. CV accuracy 5. Pressure meas. accuracy 6. Proper operation. | 1. 16.67 ±5%, L/p;min
2. 2%, max 3. 2%, max 4. 0.3% max 5. 10 mm Hg | (a) 6-hour normal operational test
(b) Normal conditions (c) Additional 55 mm Hg pressure drop to simulate loaded filter (d) Barometric pressure at 600 and 800 mm Hg | Sec. 7.4.1.
Sec. 7.4.2. Sec. 7.4.3. Sec. 7.4.5. Sec. 7.4.9. | § 53.57 Filter temperature control test | 1. Filter temp. meas. accuracy
2. Ambient temp. meas. accuracy 3. Filter temp. control accuracy, sampling and non-sampling | 1. 2 °C
2. 2 °C 3. Not more than 5 °C above ambient temp. for more than 30 min | (a) 4-hour simulated solar radiation, sampling
(b) 4-hour simulated solar radiation, non-sampling (c) Solar flux of 1000 ±50 W/m 2 | Sec. 7.4.8.
Sec. 7.4.10. Sec. 7.4.11. | § 53.58 Field precision test | 1. Measurement precision
2. Storage deposition test for sequential samplers | 1. P 2. 50 µg max. average weight gain/blank filter | (a) 3 collocated samplers at 1 site for at least 10 days
(b) PM (c) 24- or 48-hour samples (d) 5- or 10-day storage period for inactive stored filters | Sec. 5.1.
Sec. 7.3.5. Sec. 8. Sec. 9. Sec. 10. | The Following Requirement Is Applicable to Class I Candidate Equivalent Methods Only | § 53.59 Aerosol transport test | Aerosol transport | 97%, min. for all channels. | Determine aerosol transport through any new or modified components with respect to the reference method sampler before the filter for each channel |
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